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1/24-1/25 Major Winter Storm - S. IL, IN, and OH


A-L-E-K
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6 minutes ago, buckeye said:

I've never seen a snowstorm that buried Chicago-Detroit-DC.   If Chicago picks up 9" from this,  DC would probably be slop to rain

The airmass in front of this is quality and there will be quite a bit of CAD east of the Apps, so I think DC sees a cold/wintry storm even if Chicago cashes in, but ice/sleet are in play for them for sure. 

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27 minutes ago, A-L-E-K said:

G_LVJxLXYAA5sP0?format=jpg&name=medium

ready 2 be buried

Worth noting that for reasons that are unclear to me, the NBM does not ingest all of the 0z Euro/EPS QPF until the 19z run (with the 12z hitting at 7z). 
 

Overall I have mixed feelings on the 12z runs. Trends to lift the PV out a bit quicker and for the northern stream diving into the Rockies to be more amped continued, but there was also a subtle trend to eject the Baja cutoff slower and/or not as cleanly, which would hurt the potential for an earlier/more aggressive phase. 

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6 minutes ago, OHweather said:

Worth noting that for reasons that are unclear to me, the NBM does not ingest all of the 0z Euro/EPS QPF until the 19z run (with the 12z hitting at 7z). 
 

Overall I have mixed feelings on the 12z runs. Trends to lift the PV out a bit quicker and for the northern stream diving into the Rockies to be more amped continued, but there was also a subtle trend to eject the Baja cutoff slower and/or not as cleanly, which would hurt the potential for an earlier/more aggressive phase. 

Sounds like the Baja Low will be sampled for tonight's 0z runs, so we should have that answer then.

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4 minutes ago, Chicago916 said:

Sounds like the Baja Low will be sampled for tonight's 0z runs, so we should have that answer then.

Yeah I agree those runs will be telling. All the other 12z models generally trended a bit slower with ejecting the Baja low too, but outside of the Euro which definitely bumped SE it wasn’t enough to overcome other trends that supported a more NW track on the other models. So there’s clearly a fair amount of sensitivity to relatively small changes with how that ejects out and phases. 

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  • A-L-E-K changed the title to 1/24-1/25 Major Winter Storm - S. IL, IN, and OH

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